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How do you fix the error code SSL_ERROR_BAD_MAC_READ?

Alton Alexander
By Alton AlexanderUpdated on June 4th, 2022

Error code ssl_error_bad_mac_read indicates that a SSL peer was unable to correctly verify the MAC value in a SSL handshake message. This can happen if the message has been tampered with or if the SSL peer's MAC calculation is incorrect.

1. Check the date and time on your computer and make sure it is set correctly

  1. Open the Start menu and click on "Date and Time".
  2. In the Date and Time window, make sure the "Date and Time" setting is set to the time zone that your computer is in.
  3. Click on the "Time Zone" tab, and make sure that the time zone is set to the correct time zone.
  4. Click on the "Date and Time" tab, and make sure that the "Date and Time" setting is set to the correct date and time.
  5. Click on the "Advanced" button, and make sure that the "Computer Time is Correct" check box is checked.
  6. Click on the "OK" button, and close the Date and Time window.

2. Clear your browser's cache and cookies

  1. In your web browser, go to the menu bar and select "Settings."
  2. Select the "Privacy" tab.
  3. Select "Clear browsing data."
  4. Click the "Clear cookies and cache" button.
  5. Click the "Clear all" button.

3. Restart your browser

To restart your browser in order to fix error code ssl_error_bad_mac_read:

  1. Open your browser and go to the "Help" tab.
  2. Click on "Troubleshooting Information" and then on "Reset Firefox".
  3. In the "Reset Firefox" window, click on the "Reset" button.
  4. In the "Reset Firefox" window, click on the "Finish" button.
  5. Your browser will restart and the error code ssl_error_bad_mac_read should be fixed.

4. Update your browser

Open the Google Chrome browser. Type chrome://settings/ in the address bar and press Enter. Scroll down to the "Advanced" section and click on the "Content Security Policy" button. In the "Content Security Policy" window, click on the "SSL/TLS" tab. In the "SSL/TLS" tab, click on the "Update" button. In the "Update" window, click on the "OK" button. Close the Google Chrome browser.

If you didn't find success with an option above, then try:

  1. Try accessing the site using a different browser.
  2. Check if your antivirus software is blocking the site.
  3. Disable any browser extensions or add-ons that might be blocking the site.
  4. Contact the website owner to report the problem.